CN213272868U

CN213272868U - Air conditioner and indoor unit thereof

Info

Publication number: CN213272868U
Application number: CN202022026183.8U
Authority: CN
Inventors: 李涛; 刘丙磊; 韩涛
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-25
Anticipated expiration: 2030-09-16

Abstract

The utility model belongs to the technical field of the air conditioner, it has the problem that the cross-flow fan can't install from the lateral part opening accurately fast to aim at solving current wall-hanging air conditioning indoor set. Mesh for this reason, the utility model provides an air conditioner and indoor set thereof, the air conditioner indoor set includes the casing, be provided with heat exchanger and cross-flow fan in the casing, cross-flow fan has the shaft hole of lining up along its axis, wear to be equipped with in the shaft hole with the synchronous pivoted pivot of cross-flow fan, the position that is close to first end in the casing is installed driving motor, the second end of casing be provided with the opening and with opening complex end cover, the first end of pivot and driving motor's output shaft drive connection, the second end and the end cover of pivot rotationally peg graft, cross-flow fan can dismantle for the gliding mode of pivot and pivot through following the axial and be connected. In the process of disassembly and assembly, the rotating shaft plays a role in guiding, so that the cross-flow fan can be assembled in place at one time, and the assembly is more convenient and faster.

Description

Air conditioner and indoor unit thereof

Technical Field

The utility model belongs to the technical field of the air conditioner, specifically provide an air conditioner and indoor set thereof.

Background

Nowadays, air conditioners are the main temperature regulating devices in people's lives. The most commonly used air conditioner in the vast majority of households is a wall mounted air conditioner. The wall-mounted air conditioner comprises an outdoor unit and an indoor unit which are connected, wherein the indoor unit is arranged on an indoor wall. In the long-term use process, more dust can be deposited on the cross-flow fan in the indoor unit, bacteria are easy to breed, and indoor air is easy to pollute in the air blowing process of the indoor unit. Therefore, the cross flow fan needs to be cleaned periodically. However, users cannot clean the cross flow fan by themselves, and professional after-sales maintenance personnel need to detach the casing, the evaporator and the like of the indoor unit by means of tools to remove the cross flow fan, so that great inconvenience is caused.

The utility model discloses a CN 103994562A's utility model discloses an indoor set of wall-hanging air conditioner, the indoor set includes the casing, be provided with cross-flow fan and drive cross-flow fan's fan motor in the casing, the stator of the motor of fan sets up in motor housing, fan motor's rotor set up outside motor housing and with cross-flow fan one end fixed connection, the rotor is connected through pivot and the stator bearing cooperation of setting on the stator, the one end that fan motor was kept away from to cross-flow fan is provided with the detachable gland fixed to the casing, fan motor was kept away from to cross-flow fan's one end is connected through the gland bearing cooperation in pivot and the gland, one side that the casing is close to the gland is provided with the opening that supplies cross-flow fan and rotor business turn. When the cross-flow fan needs to be cleaned, the end cover is detached, the gland is detached from the framework, and then the cross-flow fan together with the rotor and the rotating shaft is drawn out of the stator bearing and taken out from the opening at the side part of the shell. After the cross flow fan is cleaned, the cross flow fan is communicated with the rotor and the rotating shaft and is inserted from the opening in the side part of the shell, the rotating shaft at the end where the rotor is located is inserted into the stator bearing, the cross flow fan and the rotor are positioned, then the gland bearing is inserted into the outer end of the rotating shaft, the gland is fixed to the framework, and finally the end cover is installed. Although a user can conveniently detach the cross-flow fan for ash removal, the user cannot observe the situation in the shell in the process of installing the cross-flow fan, the rotor and the rotating shaft on the cross-flow fan are difficult to align with the bearing of the stator, and the cross-flow fan can be assembled in place only by carrying out repeated searching and trial assembly.

Therefore, there is a need in the art for a new solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, i.e. to solve the problem that the cross-flow fan of the prior wall-mounted air-conditioning indoor unit cannot be quickly and accurately installed in place from the side opening, on one hand, the utility model provides an air-conditioning indoor unit, the air-conditioning indoor unit comprises a shell, a heat exchanger and a cross-flow fan are arranged in the shell, the cross-flow fan is provided with a shaft hole which is communicated along the axis of the cross-flow fan, a rotating shaft which rotates synchronously with the cross flow fan penetrates through the shaft hole, a driving motor is arranged in the shell body and close to the first end, the second end of the shell is provided with an opening and an end cover matched with the opening, the first end of the rotating shaft is in driving connection with an output shaft of the driving motor, the second end of the rotating shaft and the end cover are rotatably inserted into the cross-flow fan and are detachably connected with the rotating shaft in a mode of sliding relative to the rotating shaft along the axial direction.

In the preferable technical scheme of the air-conditioning indoor unit, the rotating shaft comprises a first connecting section and a second connecting section, the first connecting section penetrates through the shaft hole and is rotatably inserted into the end cover, the second connecting section is fixedly connected with an output shaft of the driving motor, and the part of the first connecting section, which penetrates through the shaft hole at least, has a non-circular cross section which is the same as that of the shaft hole.

In a preferred technical solution of the above air conditioning indoor unit, the first connecting section has a D-shaped cross section in its entirety.

In the preferable technical scheme of the air-conditioning indoor unit, a positioning section is arranged between the first connecting section and the second connecting section, and a limiting structure for limiting the cross flow fan to move towards the second connecting section is formed between the positioning section and the first connecting section.

In the preferable technical scheme of the air conditioner indoor unit, the positioning section is a cylindrical section, so that a step surface is formed at the joint of the cylindrical section and the first connecting section.

In a preferred technical scheme of the air conditioning indoor unit, a support is further arranged in the shell and is pivotally connected with the cylindrical section.

In the preferable technical scheme of the air conditioner indoor unit, the second connecting section is fixedly connected with an output shaft of the driving motor through a coupler.

In the preferable technical scheme of the indoor unit of the air conditioner, the end cover comprises a cover body and a bearing seat arranged in the middle of the cover body, a bearing is arranged in the bearing seat, an inner ring of the bearing is connected with the first connecting section in an inserting manner, and the inner ring of the bearing is abutted to the cross-flow fan from the side surface opposite to the cross-flow fan.

In the preferable technical scheme of the air-conditioning indoor unit, the outer edge of the cover body is provided with an external thread, the inner edge of the opening is provided with an internal thread, and the cover body is screwed with the opening by matching the external thread with the internal thread.

The technical scheme of the utility model, among the technical scheme, the machine includes the casing in the air conditioning, be provided with heat exchanger and cross-flow fan in the casing, cross-flow fan has the shaft hole of lining up along its axis, wear to be equipped with the pivot of synchronous pivoted with cross-flow fan in the shaft hole, the position that is close to first end in the casing is installed driving motor, the second end of casing be provided with the opening and with opening complex end cover, the first end of pivot and driving motor's output shaft drive connection, the second end and the end cover of pivot are rotationally pegged graft, cross-flow fan can dismantle with the pivot for the gliding mode of pivot through following the axial and be connected.

That is to say, the cross-flow fan is sleeved on the rotating shaft, the rotating shaft is in driving connection with the output shaft of the driving motor, the rotating shaft is kept connected with the output shaft of the driving motor in the dismounting and mounting processes, the cross-flow fan is drawn out or pushed in from the opening at the side part of the shell, the shaft hole in the cross-flow fan and the rotating shaft slide along the axial direction, the rotating shaft plays a guiding role, the cross-flow fan can be mounted in place at one time, the mounting is more convenient and rapid, and the condition that one end of the dismounting cross-flow fan close to the driving motor is upwards or downwards inclined to rub and touch parts in the shell.

On the other hand, the utility model also provides an air conditioner, air conditioner includes any one of above-mentioned technical scheme indoor set of air conditioner. It should be noted that, the air conditioner has all the technical effects of the air conditioner indoor unit, and details are not described herein.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

fig. 1 is an exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of detail B of FIG. 1;

fig. 4 is an assembly view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 5 is a state diagram of the cross flow fan in the indoor unit of the air conditioner according to the embodiment of the present invention.

List of reference numerals:

1. a housing; 11. a housing; 111. an opening; 1111. an internal thread; 12. a panel; 13. a framework; 131. a drive motor mounting location; 132. a support mounting position; 2. a heat exchanger; 3. a drive motor; 31. an output shaft; 4. a cross-flow fan; 41. a shaft hole; 5. a rotating shaft; 51. a first connection section; 52. a second connection section; 53. a cylindrical section; 6. an end cap; 61. a cover body; 611. a bearing seat; 612. an external thread; 613. a handle; 62. a bearing; 7. a coupling; 71. a cylinder; 711. a D-shaped through hole; 72. a screw; 8. and (4) a support.

Detailed Description

First, it should be understood by those skilled in the art that the embodiments described below are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model provides an indoor set of air conditioner, indoor set of air conditioner includes the casing, be provided with heat exchanger and cross-flow fan in the casing, cross-flow fan has the shaft hole that link up along its axis, wear to be equipped with the pivot synchronous with cross-flow fan in the shaft hole, the position that is close to first end in the casing installs driving motor, the second end of casing be provided with the opening and with opening complex end cover, the first end of pivot is connected with driving motor's output shaft drive, the second end of pivot is rotationally pegged graft the cross-flow fan through can dismantle with the pivot along the axial for the gliding mode of pivot and be connected. That is to say, in the process of dismantling and installing the cross-flow fan, the shaft hole sleeve of the cross-flow fan moves along the axial direction on the rotating shaft, the rotating shaft plays a guiding role, the cross-flow fan can be installed in place once in the installation process of the cross-flow fan, and the installation is more convenient and faster.

A preferred embodiment of the present invention will be described in detail with reference to fig. 1 to 5. Wherein, fig. 1 is an explosion diagram of an air-conditioning indoor unit of an embodiment of the present invention, fig. 2 is an enlarged view of a part a in fig. 1, fig. 3 is an enlarged view of a part B in fig. 1, fig. 4 is an assembly view of an air-conditioning indoor unit of an embodiment of the present invention, and fig. 5 is a state diagram of a cross flow fan in an air-conditioning indoor unit of an embodiment of the present invention taken out.

With reference to the orientations shown in fig. 1 to 5 and with reference to fig. 1, the air conditioning indoor unit comprises a casing 1, the casing 1 comprising a casing 11, a panel 12 arranged at the front of the casing 11 and a framework 13 arranged at the rear of the casing 11. A heat exchanger 2 is arranged in the casing 1, and a cross-flow fan 4 is arranged in the heat exchanger 2. The right side of the cross flow fan 4 is provided with a driving motor 3, the driving motor 3 is fixed to a driving motor mounting position 131 on the framework 13, the left side of the housing 11 is provided with an opening 111, and the end cover 6 is detachably mounted on the opening 111. The cross-flow fan 4 is provided with a shaft hole 41 which is penetrated through along the axis thereof, a rotating shaft 5 which synchronously rotates with the cross-flow fan 5 penetrates through the shaft hole 41, the right end of the rotating shaft 5 is in driving connection with an output shaft 31 of the driving motor 3, and the left end of the rotating shaft 5 is rotatably inserted into the end cover 6.

With continued reference to fig. 1 and 2, the shaft 5 includes a first connecting section 51 near the left end thereof, a second connecting section 52 near the right end thereof, and a positioning section between the first connecting section 51 and the second connecting section 52, the positioning section being a cylindrical section 53. The first connecting section 51 has the same D-shaped cross section with the shaft hole 41 as a whole, the cross section of the cylindrical section 53 covers the cross section of the first connecting section 51 along the axial direction of the rotating shaft 5, and a step surface serving as a limiting structure is formed at the joint of the left end of the cylindrical section 521 and the right end of the first connecting section 51. Under the condition that the rotating shaft 5 and the shaft hole 41 of the cross flow fan 4 are assembled in place, the right end of the cross flow fan 4 is just abutted against the stepped surface, the section of the first connecting section 51 close to the right is arranged in the shaft hole 41 in a penetrating mode, and the section of the first connecting section 51 close to the left, the cylindrical section 53 and the second connecting section 52 are located outside the shaft hole 41. In the mounted state, the second connection section 52 is drivingly connected to the output shaft 3 of the drive motor 3 via the coupling 7. Specifically, the second connecting section 52 has a D-shaped cross section, the output shaft 3 of the driving motor 3 has a D-shaped connecting section, the coupling 7 includes a cylindrical body 71, the cylindrical body 71 has a D-shaped through hole 711 penetrating along the axis thereof, two threaded holes are provided on the cylindrical body 71 along the radial direction of the D-shaped through hole 711, and a screw 72 is screwed into the threaded holes. The second connecting section 52 and the D-shaped connecting section on the output shaft 31 penetrate through two ends of the D-shaped through hole 711 respectively, and the two screws 72 are tightened to enable the end parts to be pressed to the plane of the second connecting section 52 and the plane of the D-shaped connecting section on the output shaft 31 respectively, so that the rotating shaft 5 is in transmission connection with the output shaft 3 of the driving motor 3. The lower part of the cylindrical section 521 is provided with a support 8 which is pivotally connected with the cylindrical section, and the support 8 is fixed to the support mounting position 132 on the framework 13.

With continued reference to fig. 1, 3, 4 and 5, the end cap 6 includes a cover body 61, a bearing seat 611 is formed inside the middle of the cover body 61, a bearing 62 is installed in the bearing seat 611, and the inner ring of the bearing 62 has a D-shaped hole having the same cross section as the first connecting section 51. The cover 61 has a handle 613 on the outside, an external thread 612 on the outer edge of the cover 61, and an internal thread 1111 matching the external thread 612 on the outer edge of the opening 111. In the mounted state, the cover 61 is screwed by the engagement of the external thread 612 and the internal thread 1111, a part of the left end of the first connection section 51 is inserted into the D-shaped hole of the inner ring of the bearing 62, and the right side surface of the inner ring of the bearing 62 abuts against the left end of the cross flow fan 4. In the working process of the indoor unit of the air conditioner, the output shaft 31 of the driving motor 3 rotates, the rotating shaft 5 is driven to rotate through the coupler 7, and the cross-flow fan 4 rotates synchronously along with the rotating shaft 5.

When it is necessary to clean the dust from the cross flow fan 4, the user rotates the end cap 6 by means of the handle 613 to remove the end cap 6 from the opening 111, then pulls the cross flow fan 4 outward from the opening 111 (as shown in fig. 5), and finally removes the dust from the cross flow fan 4 by using a tool such as a brush. After the completion of the ash removal, the user pushes the cross flow fan 4 into the housing 1 from the opening 111. In this process, the rotation shaft 5 is gradually inserted into the shaft hole 41 from the left end, and finally the right end of the cross-flow fan 4 abuts against the stepped surface at the junction of the cylindrical section 53 and the first connecting section 51, and then the left end of the first connecting section 51 is inserted into the D-shaped hole of the inner ring of the bearing 62, the cover body 61 is aligned with the opening 111, and the end cover 6 is mounted in place by rotating the handle 61 (the state shown in fig. 4).

In the process of installing and disassembling the cross flow fan 4, the rotating shaft 5 plays a role in guiding, so that the cross flow fan 4 can be installed and disassembled more conveniently and rapidly, and the use experience of a user is optimized. The rotating shaft 5 is in driving connection with the output shaft 31 of the driving motor 3 through the coupler 7, so that the assembling of the rotating shaft 5 and the output shaft 31 in the production process is facilitated, and the maintenance or the replacement of the rotating shaft 5 and the driving motor 3 in the later period of actual use are facilitated. The left end of the rotating shaft 5 is supported by arranging the support 8 at the cylindrical section 53 of the rotating shaft 5, so that the radial stress of the output shaft 31 of the driving motor 3 is reduced, and the service life of the driving motor 3 is relatively prolonged. The cover body 61 is connected with the outer edge of the opening 111 through threads, and the handle 61 is arranged on the outer side of the cover body 61, so that a user can easily detach and install the end cover 6 without tools.

It will be understood by those skilled in the art that the D-shaped through hole 711 of the cylinder 71 in the coupling 7 is only a specific means, and those skilled in the art can adjust it according to actual needs, for example, the cross-sectional shape of the cylinder 71 can be a through hole with a triangular, circular or elliptical shape, and the second connecting section 52 and the output shaft 31 have connecting sections matching the cross-sectional shape. The coupling may also be a flange coupling, a split coupling or other form of coupling or the like. In addition, the whole first connecting section 51 of the rotating shaft 5 and the shaft hole 41 have the same D-shaped cross section, which is also a specific setting mode, and those skilled in the art can adjust the cross section as required, for example, the whole first connecting section 51 and the shaft hole 41 have the same non-circular cross section such as triangle, rectangle, cross, ellipse, etc., or the part penetrating into the shaft hole 41 and the part penetrating out of the shaft hole 41 in the first connecting section 51 have different cross sections, and the part penetrating into the shaft hole 41 in the first connecting section 51 and the shaft hole 41 have the same cross section, as long as the cross section of the part penetrating into the shaft hole 41 in the first connecting section 51 along the axial direction of the rotating shaft 5 covers the cross section of the part penetrating out of the shaft hole 41 in the first connecting section 51. In addition, the rotating shaft 5 may include only one D-shaped section, and may also include two, four or more sections, etc., so as to form a stepped shaft.

It will be understood by those skilled in the art that the end cap 6 is connected to the opening 111 by a screw-thread fit, and the handle 613 is provided on the outer side of the end cap 6 only as a preferable arrangement, and those skilled in the art can connect the end cap 6 to the opening 111 by screws, but only needs to detach the end cap 6 by a tool. The arrangement of the support 8 at the cylindrical section 53 of the rotating shaft 5 is only a preferable arrangement, and a person skilled in the art may not arrange the support 8 according to actual conditions. In the case that the support 8 is not provided, the cylindrical section 53 is also a specific setting way as a positioning section, and a person skilled in the art can adjust the positioning section according to actual needs, for example, the cross section of the positioning section may be triangular, elliptical, rectangular, or other suitable shapes, as long as a step surface for limiting the right sliding of the cross flow fan 4 is formed at the connection position with the first connecting section 51.

Furthermore, the utility model also provides an air conditioner, this air conditioner includes the indoor set of air conditioning of any one of the above-mentioned embodiment. It is understood that the air conditioner may be a single cooling air conditioner, a cooling and heating air conditioner, or a fresh air conditioner, etc.

Can see through above description in the technical scheme of the utility model, one side of casing sets up the opening, sets up the end cover on the opening, and the cross flow fan has the shaft hole of lining up along its axis, wears to be equipped with in the shaft hole with the synchronous pivoted pivot of cross flow fan, and the one end of pivot is connected with driving motor's output shaft drive, and the other end and the end cover of pivot are rotationally pegged graft, and the cross flow fan can be dismantled with the pivot for the gliding mode of pivot through following the axial and be connected. In the dismounting and mounting processes, the rotating shaft is connected with the output shaft of the driving motor, the rotating shaft plays a role in guiding, the cross flow fan can be mounted in place at one time, the mounting is more convenient and faster, and the condition that one end of the dismounting cross flow fan close to the driving motor is upwards or downwards inclined to rub and touch parts inside the shell is avoided.

It will be appreciated by those of skill in the art that although some embodiments described herein include some but not other features included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. The utility model provides an air-conditioning indoor unit, its characterized in that, air-conditioning indoor unit includes the casing, be provided with heat exchanger and cross-flow fan in the casing, cross-flow fan has the shaft hole that link up along its axis, wear to be equipped with in the shaft hole with the synchronous pivoted pivot of cross-flow fan, the position that is close to first end in the casing is installed driving motor, the second end of casing be provided with the opening and with opening complex end cover, the first end of pivot with driving motor's output shaft drive is connected, the second end of pivot with the end cover is rotationally pegged graft, cross-flow fan through along the axial for the gliding mode of pivot with the connection can be dismantled in the pivot.

2. An indoor unit of an air conditioner as claimed in claim 1, wherein the rotation shaft includes a first connection section and a second connection section, the first connection section is inserted into the shaft hole and rotatably connected to the end cap, the second connection section is fixedly connected to the output shaft of the driving motor,

the first connecting section at least penetrates through the shaft hole, and the portion of the first connecting section, which penetrates through the shaft hole, has the same non-circular cross section with the shaft hole.

3. An indoor unit of an air conditioner according to claim 2, wherein the first connection section has a D-shaped cross section throughout its section.

4. An indoor unit of an air conditioner according to claim 2, wherein a positioning section is provided between the first connecting section and the second connecting section, and a limiting structure for limiting the movement of the cross flow fan toward the second connecting section is formed between the positioning section and the first connecting section.

5. An indoor unit of an air conditioner according to claim 4, wherein the positioning section is a cylindrical section, so that a joint of the cylindrical section and the first connecting section forms a stepped surface.

6. An indoor unit of an air conditioner according to claim 5, wherein a support is further provided in the casing, and the support is pivotally connected to the cylindrical section.

7. An indoor unit of an air conditioner according to any one of claims 2 to 6, wherein the second connecting section is fixedly connected to an output shaft of the driving motor by a coupling.

8. An indoor unit of an air conditioner according to any one of claims 2 to 6, wherein the end cover comprises a cover body and a bearing seat arranged in the middle of the cover body, a bearing is arranged in the bearing seat, an inner ring of the bearing is in plug-in connection with the first connecting section, and the side surface of the inner ring of the bearing opposite to the cross-flow fan is abutted to the cross-flow fan.

9. An indoor unit of an air conditioner according to claim 8, wherein an outer edge of the cover is provided with an external thread, an inner edge of the opening is provided with an internal thread, and the cover is screwed with the opening by the engagement of the external thread and the internal thread.

10. An air conditioner characterized by comprising an indoor unit of an air conditioner according to any one of claims 1 to 9.